EP0902603A3 - Bobine de chauffage pour des produits plats en acier avec alimentation en série - Google Patents

Bobine de chauffage pour des produits plats en acier avec alimentation en série Download PDF

Info

Publication number
EP0902603A3
EP0902603A3 EP98307324A EP98307324A EP0902603A3 EP 0902603 A3 EP0902603 A3 EP 0902603A3 EP 98307324 A EP98307324 A EP 98307324A EP 98307324 A EP98307324 A EP 98307324A EP 0902603 A3 EP0902603 A3 EP 0902603A3
Authority
EP
European Patent Office
Prior art keywords
power supplies
coil sections
power supply
series
heating coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98307324A
Other languages
German (de)
English (en)
Other versions
EP0902603B1 (fr
EP0902603A2 (fr
Inventor
Don L. Loveless
Jean Lovens
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inductotherm Corp
Original Assignee
Inductotherm Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inductotherm Corp filed Critical Inductotherm Corp
Priority to EP04077112A priority Critical patent/EP1469706A3/fr
Publication of EP0902603A2 publication Critical patent/EP0902603A2/fr
Publication of EP0902603A3 publication Critical patent/EP0902603A3/fr
Application granted granted Critical
Publication of EP0902603B1 publication Critical patent/EP0902603B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/04Sources of current
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/10Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/101Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
    • H05B6/103Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor
    • H05B6/104Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces multiple metal pieces successively being moved close to the inductor metal pieces being elongated like wires or bands
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00Heating by electric, magnetic or electromagnetic fields
    • H05B6/02Induction heating
    • H05B6/36Coil arrangements
    • H05B6/365Coil arrangements using supplementary conductive or ferromagnetic pieces

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • General Induction Heating (AREA)
  • Heat Treatment Of Strip Materials And Filament Materials (AREA)
EP98307324A 1997-09-11 1998-09-10 Bobine de chauffage pour des produits plats en acier avec alimentation en série Expired - Lifetime EP0902603B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP04077112A EP1469706A3 (fr) 1997-09-11 1998-09-10 Bobine de chauffage pour des produits plats en acier avec alimentation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/928,774 US5837976A (en) 1997-09-11 1997-09-11 Strip heating coil apparatus with series power supplies
US928774 2004-08-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP04077112A Division EP1469706A3 (fr) 1997-09-11 1998-09-10 Bobine de chauffage pour des produits plats en acier avec alimentation

Publications (3)

Publication Number Publication Date
EP0902603A2 EP0902603A2 (fr) 1999-03-17
EP0902603A3 true EP0902603A3 (fr) 1999-10-20
EP0902603B1 EP0902603B1 (fr) 2004-11-03

Family

ID=25456737

Family Applications (2)

Application Number Title Priority Date Filing Date
EP98307324A Expired - Lifetime EP0902603B1 (fr) 1997-09-11 1998-09-10 Bobine de chauffage pour des produits plats en acier avec alimentation en série
EP04077112A Withdrawn EP1469706A3 (fr) 1997-09-11 1998-09-10 Bobine de chauffage pour des produits plats en acier avec alimentation

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP04077112A Withdrawn EP1469706A3 (fr) 1997-09-11 1998-09-10 Bobine de chauffage pour des produits plats en acier avec alimentation

Country Status (9)

Country Link
US (1) US5837976A (fr)
EP (2) EP0902603B1 (fr)
JP (1) JP2948219B2 (fr)
KR (1) KR100277162B1 (fr)
AT (1) ATE281751T1 (fr)
BR (1) BR9803412B1 (fr)
CA (1) CA2243110C (fr)
DE (1) DE69827336T2 (fr)
ES (1) ES2232918T3 (fr)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3942261B2 (ja) * 1998-02-13 2007-07-11 電気興業株式会社 誘導加熱コイル及びこの誘導加熱コイルを用いた誘導加熱装置
US20030047558A1 (en) * 2000-03-13 2003-03-13 Steffen Niklaus Device for heating metallic items
US6399929B1 (en) 2000-05-12 2002-06-04 Ajax Magnethermic Corporation Induction heater comprising a coil/capacitor bank combination including a translatable coil assembly for movement on and off a continuous strip
US6255634B1 (en) 2000-05-15 2001-07-03 Pillar Industries Transverse flux heating coil and method of use
US6700104B2 (en) * 2002-02-08 2004-03-02 Raymond Bass Portable stripping head induction heating system for stripping coated and lined metal objects and surfaces and methods for stripping coated metal objects and surfaces
KR101010294B1 (ko) * 2003-02-14 2011-01-25 인덕터히트 인코포레이티드. 복잡한 형상을 갖는 공작물의 유도 열처리 방법 및 장치
US6963056B1 (en) * 2003-05-09 2005-11-08 Inductotherm Corp. Induction heating of a workpiece
WO2005004559A2 (fr) * 2003-06-26 2005-01-13 Inductotherm Corp. Ecran electromagnetique pour bobine chauffante a induction
WO2005010622A2 (fr) * 2003-07-25 2005-02-03 Matsushita Electric Industrial Co., Ltd. Appareil de fixation d'image
AU2007205141A1 (en) * 2006-01-09 2007-07-19 Inductotherm Corp. Induction heating apparatus for strip materials with variable parameters
FR2902274B1 (fr) 2006-06-09 2008-08-08 Celes Sa Dispositif de chauffage par induction a haute frequence, et four a induction equipe d'un tel dispositif
DE102007054782A1 (de) * 2007-11-16 2009-05-20 Mtu Aero Engines Gmbh Induktionsspule, Verfahren und Vorrichtung zur induktiven Erwärmung von metallischen Bauelementen
CN101919306A (zh) * 2007-12-27 2010-12-15 感应加热有限公司 导电工件在具有通量补偿器的螺线管线圈中的受控电感应加热
US8884200B2 (en) * 2008-09-28 2014-11-11 Inductotherm Corp. Electromagnetically shielded inductor assembly
MX2012009520A (es) 2010-02-19 2012-08-31 Nippon Steel Corp Dispositivo de calentamiento por induccion de flujo transversal.
JP6114945B2 (ja) * 2012-10-12 2017-04-19 高周波熱錬株式会社 加熱コイル及び熱処理装置
KR101600555B1 (ko) * 2014-06-11 2016-03-08 주식회사 다원시스 도전성의 판재를 가열하기 위한 유도 가열 장치
KR101981407B1 (ko) * 2014-09-05 2019-05-23 닛폰세이테츠 가부시키가이샤 금속 띠판의 유도 가열 장치
KR101600558B1 (ko) * 2014-09-17 2016-03-08 주식회사 다원시스 자기장 차폐를 위한 유도 가열 장치
KR101631024B1 (ko) * 2015-04-03 2016-06-16 주식회사 포스코 유도 가열 장치
JP6665928B2 (ja) 2016-03-30 2020-03-13 日本製鉄株式会社 誘導加熱装置および誘導加熱方法
KR101940887B1 (ko) * 2016-12-27 2019-01-21 주식회사 포스코 유도가열 장치

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655590A (en) * 1950-01-04 1953-10-13 Ohio Crankshaft Co Induction heating apparatus
FR1504249A (fr) * 1965-12-22 1967-12-01 Aeg Elotherm Gmbh Dispositif inducteur à champ transversal pour l'échauffement de pièces électriquement conductrices
US3531612A (en) * 1965-08-31 1970-09-29 Acec Means for heating by induction
US4131813A (en) * 1977-07-11 1978-12-26 Institut De Recherches De La Siderurgie Francaise (Irsid) Electromagnetic apparatus generating a gliding magnetic field

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2676242A (en) * 1947-03-25 1954-04-20 Hartford Nat Bank & Trust Co Device for treating workpieces through inductive heating in a high-frequency magnetic field
US4258241A (en) * 1979-03-28 1981-03-24 Park-Ohio Industries, Inc. Slot furnace for inductively heating axially spaced areas of a workpiece
SE464019B (sv) * 1989-03-13 1991-02-25 Tetra Pak Holdings & Finance Anordning foer kontinuerlig induktionssvetsning av foerpackningsmaterial
JPH04294091A (ja) * 1991-03-22 1992-10-19 Mitsubishi Heavy Ind Ltd 誘導加熱装置
DE4230897C1 (de) * 1992-09-01 1993-10-14 Aeg Elotherm Gmbh Induktor
US5495094A (en) * 1994-04-08 1996-02-27 Inductotherm Corp. Continuous strip material induction heating coil

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2655590A (en) * 1950-01-04 1953-10-13 Ohio Crankshaft Co Induction heating apparatus
US3531612A (en) * 1965-08-31 1970-09-29 Acec Means for heating by induction
FR1504249A (fr) * 1965-12-22 1967-12-01 Aeg Elotherm Gmbh Dispositif inducteur à champ transversal pour l'échauffement de pièces électriquement conductrices
US4131813A (en) * 1977-07-11 1978-12-26 Institut De Recherches De La Siderurgie Francaise (Irsid) Electromagnetic apparatus generating a gliding magnetic field

Also Published As

Publication number Publication date
EP1469706A2 (fr) 2004-10-20
JP2948219B2 (ja) 1999-09-13
US5837976A (en) 1998-11-17
EP0902603B1 (fr) 2004-11-03
BR9803412A (pt) 1999-11-16
BR9803412B1 (pt) 2011-06-28
KR19990029703A (ko) 1999-04-26
JPH11154592A (ja) 1999-06-08
CA2243110C (fr) 2001-07-24
DE69827336T2 (de) 2005-03-17
DE69827336D1 (de) 2004-12-09
ATE281751T1 (de) 2004-11-15
EP1469706A3 (fr) 2008-01-23
EP0902603A2 (fr) 1999-03-17
KR100277162B1 (ko) 2001-01-15
CA2243110A1 (fr) 1999-03-11
ES2232918T3 (es) 2005-06-01

Similar Documents

Publication Publication Date Title
EP0902603A3 (fr) Bobine de chauffage pour des produits plats en acier avec alimentation en série
EP0804050A3 (fr) Système de chauffage par induction
EP1912246A3 (fr) Antenne à alimentation électrique et procédé d'alimentation électrique
EP0740392A3 (fr) Générateur synchrone de puissance électrique et méthode correspondante de commande de magnétisation
EP1265043A3 (fr) Four à chauffage par induction et son mécanisme de coulée par le fond
GB2296719B (en) Fuel reforming apparatus and electric power generating system having the same
HUP0101186A3 (en) Method and device for controlling the magnetic flux with an auxiliary winding in a rotaing high voltage electric alternating current machine
EP0878749A3 (fr) Appareil de chauffage d'images
EP0887915A3 (fr) Configuration multi-canal d'enroulements de moteur et commande à modulation de larguer d'impulsion
EP1022623A3 (fr) Appareil de formation d'images
EP1180730A3 (fr) Appareil de chauffage d'images du type à chauffage par induction
EP2405711A3 (fr) Procédé et unité de chauffage par induction
AU3517897A (en) A system and method for increasing the efficiency of alternating current induction motors
EP0685988A3 (fr) Bobine d'induction pour haute-fréquence.
EP0921710A3 (fr) Système d'alliage du type à chauffage par induction pour feuilles d'acier galvanisée, appareil de chauffage à haute-fréquence, appareil d'adaptation d'impédance et méthode de transformation d'impédance
AU2135397A (en) Induction machine using ferromagnetic conducting rotor
EP1014222A3 (fr) Appareil pour chauffer une image comprenant plusieurs éléments chauffants
TW354437B (en) Operating method of a generator and the circuit used in this method
ZA957123B (en) Stator for electric machine and lamination thereof.
EP0964315A3 (fr) Appareil pour chauffer des images
EP1006757A3 (fr) Système magnétique de chauffage
GB9503529D0 (en) A combined heating,cooling and electrical power generating system
DE10137406C1 (de) Elektrische Aufwärmvorrichtung für mit einer Wicklung und einer Achse oder Welle versehenes elektrisches Bauteil
DE3480458D1 (en) Travelling wave induction heater
EP0851557A3 (fr) Moteur à induction à rotor à cage d'écureuil

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 19980928

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AT BE CH DE ES FR GB IT LI LU NL

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

AX Request for extension of the european patent

Free format text: AL;LT;LV;MK;RO;SI

RIC1 Information provided on ipc code assigned before grant

Free format text: 6H 05B 6/02 A, 6H 05B 6/36 B, 6H 05B 6/06 B

AKX Designation fees paid

Free format text: AT BE CH DE ES FR GB IT LI LU NL

17Q First examination report despatched

Effective date: 20030513

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE CH DE ES FR GB IT LI LU NL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041103

Ref country code: LI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041103

Ref country code: CH

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041103

Ref country code: AT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20041103

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 69827336

Country of ref document: DE

Date of ref document: 20041209

Kind code of ref document: P

NLV1 Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act
REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2232918

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

ET Fr: translation filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050930

26N No opposition filed

Effective date: 20050804

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20100918

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20100908

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 20100915

Year of fee payment: 13

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20101018

Year of fee payment: 13

BERE Be: lapsed

Owner name: *INDUCTOTHERM CORP.

Effective date: 20110930

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20110910

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110910

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110930

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110910

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20130417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20110911

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 19

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 20

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20170829

Year of fee payment: 20

Ref country code: DE

Payment date: 20170905

Year of fee payment: 20

REG Reference to a national code

Ref country code: DE

Ref legal event code: R071

Ref document number: 69827336

Country of ref document: DE